(Ἰφιάς), i. e. a daughter of Iphis, a name applied to Evadne, the wife of Capaneus. (Ov. Ep. ex Pont. 3.1, 111; Eur. Supp. 985, &c.) Iphias is also the name of a priestess mentioned in the story about the Argonauts. (Apollon. 1.312.)
[L.S]A Dictionary of Greek and Roman biography and mythology
Smith, William
A Dictionary of Greek and Roman biography and mythology. William Smith, LLD, ed. 1890